ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,539,524, issued on Feb. 3, was assigned to LG Energy Solution Ltd. (Seoul, South Korea).

"Multi-slot die coater" was invented by Taek-Soo Lee (Daejeon, South Korea), Shin-Wook Jeon (Daejeon, South Korea) and Sang-Hoon Choy (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a multi-slot die coater with reduced structural vulnerability to deformation and twist in the multi-slot die coater basically including three die blocks. The multi-slot die coater according to the present disclosure is a multi-slot die coater including a first slot and a second slot to extrude and coat a coating solution on a surface of a continuously movi...